I was surfing around today and found a great add-on for Firefox if you use Gmail. It’s called Better Gmail. It adds some nice features to Gmail. It works for both Gmail and Google Apps for Domains Gmail as well. The one thing I like that it does is make your labels collapsible when you have labels that have sub labels. It has some other nice features that I haven’t had time to play with yet. The original article I came across about this was on Lifehacker.com.